Temperature and pressure dependence of NMR frequencies in ferromagnetic Heusler alloys containing cobalt and manganese期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Temperature and pressure dependence of NMR frequencies in ferromagnetic Heusler alloys containing cobalt and manganese

Authors:	M Kawakami Y Kasamatsu H Ido

Institution:	Department of Physics, Kagoshima University, Kagoshima 890, Japan ^a Kure Technical College, Kure 737, Japan ^b Faculty of Technology, Tohoku Gakuin University, Tagajo, Miyagi 985, Japan

Abstract:	The ⁵⁹Co and ⁵⁵Mn NMR frequencies ν in Co₂MnZ (Z = Si, Ge, Sn and Ga) were measured as a function of temperature T and pressure P by the cw method. The ν/ν_4.2 value decreased faster for ⁵⁹Co than for ⁵⁵Mn with increasing T/T_C especially in Co₂MnGa, for which ?ν/?P was positive at 0°C in contrast to the results in other alloys.

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